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How can a iceberg create weathering?
As an iceberg - or glacier - moves across land, it will scrape against it, causing it to weather/erode the land.
What are the causes of chemical wethering?
Chemical weathering is caused by acid rain. The acid rain will eat away at the rock causing it to erode. This is one of the many forms of chemical weathering.
What do the agents of weathering do?
Erode rock into sand.
What effect does weathering have on antarctica?
because it will erode the cliffs and mountaintops of the continent, the broken away ice will then melt raising the water level and causing global flooding
What are the affect of weathering on rock?
The rock will erode and change
What sped the weathering of the sphinx up?
Exposure from excavations surrounding the base.
What things causes a rock to erode?
Weathering, wind, rain, extreme temperatures.
What is an example of wind weathering?
dunes in the deserts, the sphinx's nose falling off.
Why is freeze thaw weathering absoloutely vital if a glacier is going to be able to erode its valley?
Its to do with how it is able to form the glacier. There is a cylce where the ice can only cycle round and round if freeze thaw weathering is taking place, meaning that a glacier can erode its valley. The process of freeze thaw weathering erodes the valley.
What are the three weather types which can erode rocks?
1) Physical weathering can be split into 2 subgroups-Freeze Thaw and Onion Skin! 2) Chemical Weathering! 3) Biological Weathering!
Is the sphinx rusted?
No, the Sphinx is carved from limestone. Iron rusts, limestone doesn't rust. But its limestone is damaged, both by weathering and deliberate acts of man.
What would happen to a rock from weathering by a fast moving river?
It would erode and maybe crack
